What does backward in sentiment mean?

"Backward in sentiment" is not a common phrase in standard English. It's possible that it's being used in a specific context or with a unique meaning. To help me understand what it means, please provide me with more information:

* Where did you encounter this phrase? Was it in a book, article, conversation, or somewhere else?

* What was the surrounding context? What was the topic of discussion or the overall theme of the text?

* Can you provide an example sentence? Seeing the phrase used in a sentence would give me more clues about its intended meaning.

Once you give me more context, I can help you understand what "backward in sentiment" means.